Emilio buys liter bottle of shampoo when the store has the promotion shown write an expression in two different ways to represent the total cost of 3 liters of shampoo let L be the regular price of a liter bottle

In the equations, a and b represent the price per night for a room in hotel a and hotel b, respectively, w weeks after september 1 last autumn. what was the price per night in hotel a when it was equal to the price per night in hotel b? a = 240 − 20w b = 320 − 30w

Yvaries directly as x. y =90 when x=6. find y when x=13

What is 140 squared pleas me i am dumb